Psychology

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Module 7: Neural and Hormonal Systems
The Endocrine
System
Endocrine System
• One of the body’s two communication
systems
• A set of glands that produce hormones-chemical messengers that circulate in
the blood
Hormone
• Chemical messengers produced by the
endocrine glands and circulated in the
blood
• Similar to neurotransmitters in that they
are also messengers
• Slower communication system, but with
longer lasting effects
Pituitary Gland
• The endocrine system’s gland that
controls the other endocrine glands
• Called the “master gland”
• Located at the base of the brain and
connects to the hypothalamus
Endocrine System
Thyroid Gland
• Endocrine gland that helps regulate the
energy level in the body
• Located in the neck
Endocrine System
Adrenal Gland
• Endocrine glands that help to arouse the
body in times of stress
• Located just above the kidneys
• Release epinephrine (adrenaline) and
norepinephrine (noradrenaline)
Endocrine System
Pancreatic Gland
• Regulates the level of blood sugar in the
blood
Endocrine System
Sex Glands
• Ovaries (females) and testes (males) are
the glands that influence emotion and
physical development.
• Testosterone – primary males hormone
• Estrogen – primary female hormone
• Males and females have both estrogen
and testosterone in their systems.
Endocrine System
The End
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